0 a hormone produced by the thyroid gland that controls metabolism (= chemical processes in the body) and is important for normal development in children --
1 the main chemical produced in the body by the thyroid (gland) (= organ in the neck), which increases the metabolism (= changing of food into energy) and in this way, makes the body grow and develop --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Можем да го завършим стъпка по стъпка, колкото и дълъг да е пътят и не може да бъде завършен, колкото и кратък да е пътят, ако дори не маркирате отпечатъка си.